initial head align tool adaptations for Mega65 ROM layout

c64/kernal/board_m65/mega65_imports.s

@@ -8,7 +8,11 @@
 #import "KERNAL_0_combined.sym"
 
 
+.label CLALL                           = KERNAL_0.CLALL
 .label STOP                            = KERNAL_0.STOP
+
+.label hw_entry_reset                  = KERNAL_0.hw_entry_reset
+.label return_from_interrupt           = KERNAL_0.return_from_interrupt
 .label clrchn_reset                    = KERNAL_0.clrchn_reset
 .label udtim_keyboard                  = KERNAL_0.udtim_keyboard
 
@@ -55,3 +59,10 @@
 .label tape_normal_byte_store          = KERNAL_0.tape_normal_byte_store
 
 #endif
+
+
+#if CONFIG_TAPE_HEAD_ALIGN
+
+.label nmi_lock                        = KERNAL_0.nmi_lock
+
+#endif

c64/kernal/tape/tape_head_align.s

@@ -1,5 +1,4 @@
 // #LAYOUT# STD *        #TAKE
-// #LAYOUT# M65 KERNAL_0 #TAKE
 // #LAYOUT# M65 KERNAL_1 #TAKE
 // #LAYOUT# *   *        #IGNORE
 
@@ -40,14 +39,6 @@
 
 tape_head_align:
 
-#if (ROM_LAYOUT_M65 && SEGMENT_KERNAL_0)
-
-	jsr     map_KERNAL_1
-	jsr_ind VK1__tape_head_align
-	jmp     map_NORMAL
-
-#else
-
 	// Make sure user really wants to launch the tool
 
 	jsr tape_ask_play
@@ -274,7 +265,4 @@ tape_head_align_quit:
 	jmp hw_entry_reset
 
 
-#endif // ROM layout
-
-
 #endif // CONFIG_TAPE_HEAD_ALIGN